SPECIFICATIONS

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  • Engine

    ModelSAA6D107E-1
    TypeWater-cooled, 4-cycle, direct injection
    AspirationTurbocharged and air to air aftercooled
    No. Cylinders6
    Bore107mm
    Stroke124mm
    Piston Displacement6.69 ltr
    Horsepower, Gross146 kW / 196 HP
    Horsepower, Net144 kW / 193 HP
    GROSS HORSEPOWER (MANUAL MODE):
    P-mode 
    Gear 1-3 @ 2000 rpm120 kW / 161 HP
    Gear 4-6 @ 2000 rpm134 kW / 179 HP
    Gear 7-8 @ 2100 rpm146 kW / 196 HP
    E-mode 
    Gear 1-3 @ 2000 rpm107 kW / 143 HP
    Gear 4-6 @ 2000 rpm120 kW / 161 HP
    Gear 7-8 @ 2000 rpm134 kW / 179 HP
    NET FLYWHEEL HORSEPOWER (MANUAL MODE):
    P-mode 
    Gear 1-3 @ 2000 rpm118 kW / 158 HP
    Gear 4-6 @ 2000 rpm131 kW / 176 HP
    Gear 7-8 @ 2100 rpm144 kW / 193 HP
    E-mode 
    Gear 1-3 @ 2000 rpm104 kW / 140 HP
    Gear 4-6 @ 2000 rpm118 kW / 158 HP
    Gear 7-8 @ 2000 rpm131 kW 176 HP
    Max Torque880 Nm / 89.8 kg.m
    Fan Speedmax 1500 rpm

  • Blade Range

    Circle Centre Shift: 
    Right590 mm
    Left550 mm
    Moldboard side shift:
    Right820 mm
    Left820 mm
    Maximum shoulder reach outside rear tyres (frame straight):
    Right2000 mm
    Left2000 mm
    Maximum lift above ground480 mm
    Maximum cutting depth615 mm
    Maximum blade angle, right or left90°
    Blade tip angle40° forward / 5° backward

  • Brakes

    Service brakeFoot operated, oil disc brakes, hydraulically actuated on four tandem wheels, 13691 cm2 total braking surface.
    Parking brakeManually actuated, spring applied, hydraulically released caliper with transmission interlock.

  • Capacities (Refilling)

    Fuel tank ltr
    Cooling system30 ltr
    Crank case23 ltr
    Transmission45 ltr
    Final drive17 ltr
    Tandem housing (each)57 ltr
    Hydraulic system69 ltr
    Circle reverse housing7 ltr

  • Circle

    Single piece rolled ring forging. Six circle support shoes with replaceable wear surface. Circle tee
    Diametre (outside)1530 mm
    Circle reversing control hydraulic rotation360°

  • Drawbar

    A-shaped, u-section press formed and welded construction for maximum strength with a replaceable dra
    Drawbar frame210 x 25 mm

  • Frame

    FRONT FRAME STRUCTURE
    Height300 mm
    Width300 mm
    Thickness14 mm

  • Front Axle

    TypeSolid bar construction welded steel sections
    Ground clearance at pivot620 mm
    Wheel lean angle, right or left20°
    Oscillation, total32°

  • Hydraulic System

    Load-sending closed centre hydraulics with variable displacement piston pump. Short stroke/ low effort direct acting control valves with preselected maximum flow setting to each function. Double acting anti-drift check valves on blade lift, tip, circle shift, articulation, and leaning wheels.
    Output (at engine rated rpm) 200 L / min
    Standby pressure 3.4 MPa 35 kg/cm2
    Maximum system pressure 20.6 MPa 210 kg/cm2

  • Instrumentation

    ELECTRIC MONITORING SYSTEM WITH DIAGNOSTICS
    Gauges / StandardArticulation, engine coolant temperature, fuel level, speed meter, transmission shift indicator, engine tachometre, torque converter oil temperature.
    Warning lights / IndicatorBattery charge, brake oil pressure, blade float, brake oil pressure, inching temperature, directional indicator, engine oil pressure, hydraulic oil temperature, heater signal, lift arm lock, parking brake, differential lock, torque converter oil temperature, ecology, P mode, fan reverse, rpm set, high beam, working lights.

  • Moldboard

    Hydraulic power shift fabricated from high carbon steel. Includes replaceable metal wear inserts, cu
    Dimensions4320 x 645 x 25 mm
    Arc radius329 mm
    Cutting edge152 x 16 mm

  • Operating Weight

    Includes lubricants, coolant, full fuel tank
    Total18,520 kg
    On rear wheels13,150 kg
    On front Wheels5,371 kg
    Blade down pressure8,920 kg
    Blade pull11,835 kg
    Tyres and rims17.5 x 25
    Blade4.32 m

  • Rear Axle

    Alloy steel, heat treated, full floating axle with lock/unlock differential.

  • Ripper

    Penetration force9,202 kg
    Pryout force13,020 kg

  • Steering

    Hydraulic power steering providing stopped engine steering complies with SAE J23 and J1151
    Minimum turning radius7.3 m
    Maximum steering range, right or left49°
    Articulation, right or left25°

  • Tandem Drive

    Oscillating welded box section520 mm x 202 mm
    SIDE WALL THICKNESS:
    Inner22 mm
    Outer19 mm
    Wheel axle spacing1525 mm
    Tandem oscillation11° forward / 13° reverse

  • Transmissions and Torque Converter

  • Wheels, Front and Rear

    BearingsTapered roller
    Tyres14.00 - 24 radial
    Tyre rims (demountable)10" three piece rims

GD555-5 Motor Graders

Our GD555-5 144 kW grader features outstanding visibility to the blade and work areas, as well as Komatsu’s unique dual mode transmission system that provides the option of full powershift or lockup automatic torque converter. As with all our graders, key components are designed and manufactured by Komatsu to work together in an integrated package. And it comes standard with our Komtrax remote monitoring and location system, backed by our Australia-wide service and support network.

  • 144 kW / 193 HP
    ENGINE POWER
  • 18,120 kg
    OPERATING WEIGHT
  • 3,710 mm
    BLADE WIDTH

GD555-5 Motor Graders

Current Offers

High Performance Komatsu Engine

Electronic heavy duty common rail fuel injection system provides optimum combustion of fuel. This system also provides fast throttle response to match the machine's powerful tractive effort and productivity.

Power on Demand

Normally, the variable displacement pump idles at low output. When it senses a load requirement, the pump supplies quick flow and pressure to match the demand. The result is less hydraulic system heat, quick response and lower fuel consumption. The bottom line is greater efficiency.

Versatile Moldboard Geometry

Komatsu graders feature a versatile moldboard geometry. Save time and money when pulling ditches by throwing the windrow to the right, not the roadway - without narrowing the road bed. It's made possible by Komatsu's extraordinary reach and aggressive blade angle.

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